117 lines
3.9 KiB
TypeScript
117 lines
3.9 KiB
TypeScript
import { sanitizePromptText } from "@/lib/utils";
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export interface PersonaFields {
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identity: string;
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tone: string;
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audience: string;
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hooks: string;
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examples: string;
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avoid: string;
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styleStrategy: string;
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}
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const SECTION_KEYS: Array<{ key: keyof PersonaFields; label: string }> = [
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{ key: "identity", label: "【我是誰】" },
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{ key: "tone", label: "【語氣】" },
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{ key: "audience", label: "【對誰說】" },
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{ key: "hooks", label: "【開場習慣】" },
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{ key: "examples", label: "【代表句範例】" },
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{ key: "avoid", label: "【避免】" },
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{ key: "styleStrategy", label: "【8D 風格策略】" },
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];
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const EMPTY_PERSONA: PersonaFields = {
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identity: "",
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tone: "",
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audience: "",
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hooks: "",
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examples: "",
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avoid: "",
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styleStrategy: "",
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};
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export function emptyPersonaFields(): PersonaFields {
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return { ...EMPTY_PERSONA };
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}
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export function hasPersonaConfigured(raw?: string | null): boolean {
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const fields = parsePersona(raw);
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return Object.values(fields).some((value) => value.trim().length > 0);
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}
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export function parsePersona(raw?: string | null): PersonaFields {
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if (!raw?.trim()) return emptyPersonaFields();
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const text = raw.trim();
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if (!text.includes("【")) {
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return { ...EMPTY_PERSONA, identity: text };
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}
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const fields = emptyPersonaFields();
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const pattern = /【[^】]+】/g;
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const markers = [...text.matchAll(pattern)];
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if (markers.length === 0) {
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return { ...EMPTY_PERSONA, identity: text };
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}
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for (let i = 0; i < markers.length; i++) {
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const marker = markers[i];
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const label = marker[0];
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const start = (marker.index ?? 0) + label.length;
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const end = i + 1 < markers.length ? (markers[i + 1].index ?? text.length) : text.length;
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const content = text.slice(start, end).trim();
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const section = SECTION_KEYS.find((item) => item.label === label);
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if (section) {
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fields[section.key] = content;
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}
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}
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return fields;
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}
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export function serializePersona(fields: PersonaFields): string {
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return SECTION_KEYS.map(({ key, label }) => {
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const value = fields[key].trim();
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return value ? `${label}\n${value}` : "";
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})
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.filter(Boolean)
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.join("\n\n");
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}
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export function buildPersonaPromptBlock(raw?: string | null): string {
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const fields = parsePersona(raw);
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if (!hasPersonaConfigured(raw)) {
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return `## 創作者人設
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尚未設定人設。請用專業、有觀點、語氣自然的台灣 Threads 創作者口吻撰寫，像真人在分享見解，避免 AI 模板感。`;
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}
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const sections: string[] = [];
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if (fields.identity) sections.push(`### 我是誰\n${sanitizePromptText(fields.identity)}`);
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if (fields.tone) sections.push(`### 語氣特質\n${sanitizePromptText(fields.tone)}`);
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if (fields.audience) sections.push(`### 對誰說\n${sanitizePromptText(fields.audience)}`);
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if (fields.hooks) sections.push(`### 開場習慣\n${sanitizePromptText(fields.hooks)}`);
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if (fields.examples) {
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sections.push(
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`### 代表句範例（最高優先）\n${sanitizePromptText(fields.examples)}\n` +
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`寫作時語感、句長、用詞、停頓節奏要向以上句子靠攏，讀起來像同一個人在說話。`
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);
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}
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if (fields.avoid) sections.push(`### 絕對避免\n${sanitizePromptText(fields.avoid)}`);
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if (fields.styleStrategy) {
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sections.push(`### 帳號 8D 風格策略（產文與回覆都必須執行）\n${sanitizePromptText(fields.styleStrategy)}`);
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}
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return `## 創作者人設（每篇都必須貫徹）
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${sections.join("\n\n")}
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## 人設執行規則
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1. 人設優先於你的預設寫法；寧可少寫資訊，也不要寫成通用 AI 文
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2. hook 要符合「開場習慣」，正文語氣要符合「語氣特質」
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3. 有「代表句範例」時，把它當成聲音樣本，不是素材可抄的內容
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4. 「絕對避免」裡的用語、語氣、套路一篇都不能出現
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5. 寫完自檢：關掉作者名，讀起來還像這個人嗎？不像就改到像為止`;
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}
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